Department of Environmental Conservation

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Harmful Algal Blooms (HABs) Archive Page

The following reports summarize notifications that were listed on the HABs Notifications page in past seasons:

Lake Champlain blooms are not included here, this information can be found on the Vermont Department of Health's blue-green algae notification page (link leaves DEC website.)

Anyone using a waterbody is advised to avoid direct contact with any discolored water and to report suspected HABs conditions to DEC by submitting a Suspicious Algal Bloom Report Form (PDF, 764 KB) or by contacting your regional DEC office or by calling 518-402-8179.